Finding the Fourth Proportional to 10,974.88, 16,471.55 and 10,282.90

Step by Step Solution

1. Step 1: Write the proportion equation
   10,974.88 : 16,471.55 = 10,282.90 : x
2. Step 2: Convert to fraction form
   10,974.88/16,471.55 = 10,282.90/x
3. Step 3: Cross multiply
   10,974.88x = 16,471.55 × 10,282.90
4. Step 4: Simplify right side
   10,974.88x = 169,375,301.50
5. Step 5: Solve for x
   x = 169,375,301.50/10,974.88
6. Step 6: Final answer
   x = 15,433.00